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May-25-23
 | | Fusilli: <OCF> Yes sir! |
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Jun-04-23
 | | Fusilli: Zhigalko vs Dubiel
Bad Homburg 2018
 click for larger viewWhite to play
(It's in New in Chess 2018, No.7. It doesn't say which Zhigalko.) |
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Jun-06-23
 | | Fusilli: Ok, so...
It's 1.Qc5+ Kd8 2.a5! Zugzwang! |
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Jun-06-23
 | | OhioChessFan: Here's a mind-blowing endgame composition. Once you figure out the idea, it's not that tough, but it looks impossible at first glance. White to play and win. click for larger view |
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Jun-06-23
 | | OhioChessFan: Per Zhigalko-Dubiel, I kept wanting to start with Qb4+ which is the same idea but doesn't work. Obviously, the Queen on c5 keeps her eye on a7 and c8. The Rook changing from being a pinning piece to a forking piece is a nice touch. |
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Jun-06-23
 | | Fusilli: <OCF> Zhigalko-Dubiel stumped me. That endgame seems truly crazy. Without the pawns, it's a draw. What I see is that even if white captures the a-pawn, capturing the b-pawn seems to put white's rook in a bad square. And I can't imagine why black couldn't draw easily anyway. Time to make dinner. I'll get back to it later or tomorrow. |
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Jun-08-23
 | | Fusilli: <OCF> That had me totally baffled, so I gave up and asked the computer for the solution. I can't believe it's so simple! My mind was stuck on the wrong idea. It happens often. |
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Jun-08-23
 | | OhioChessFan: It really is amazing. I think the best way to understand the basic idea is to pretend the Rooks are off the board and it's Black to move. |
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Jun-09-23
 | | saffuna: I figured the idea was to force black to play a6-a5. But I didn't see how. |
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Jun-12-23
 | | Fusilli: This one is from Jacob Aagard (2007).
White to play. How do you win it?
 click for larger view |
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Jun-12-23
 | | Fusilli: I reposted it on Aagaard's page:
Jacob Aagaard (And I had misspelled this most amazing last name! Sorry, GM!) |
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Jun-12-23
 | | OhioChessFan: Thought process in real time. First try is Ke5 which makes Black King stay on the third rank. But Kf3 and the Pawn has a clear path while the White King is a useless bystander. In fact, Black may play Ke3 and use the King as a shield from the Rook's checks on the 8th rank. So Ke5 is out. Has to be Rf8 which forces the King on to the h file. There the Pawn is a problem in that it blocks escape squares for the King. Here's a position, not best play to get here, but the mate threat idea seems to be the point of the puzzle.  click for larger viewBlack can't play Kh4 or g2 or he'll be mated.
Okay, need to look some more. Rf8 Kh2 Ke5 so far. |
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Jun-12-23
 | | Fusilli: <OCF> The thought process is correct. White's first move must be 1.Rf8 to prevent black from "shouldering" the white king (blocking the path toward the pawn). But notice that, since white moved the rook away from the g-file, the black king does not need to protect the pawn, so it's 1...Kh2, not Kh3. Then what? |
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Jun-13-23
 | | Fusilli: OK, here it is.
 click for larger view1.Rf8
(If 1.Ke5, Black goes for "shouldering," i.e. stopping the white king by going towards it. In this case, 1...Kf3, and if 2.Rf8+ Ke3.) 1...Kh2 2.Ke5 g3 3.Kf4 g2 4.Rh8+ Kg1 5.Kg3 Kf1 6.Kf8+ Kg1 7.Rf7 (If 7.Rf2 Kh1 draws--diagram below)
 click for larger view7...Kh1
 click for larger view8.Rh7+ Kg1 9.Rh2 winning. |
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Jun-13-23
 | | Fusilli: I posted a slightly more detailed solution, and with better diagrams, in the Jacob Aagaard page. |
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Jun-23-23
 | | Fusilli: 3/2 min blitz on chess.com. I am black. (Puzzle at the bottom.) click for larger viewMy knight is optimally placed, and his bishop is not great, but I couldn't find anything. So: 28... Re2, with the obvious Nxe3 threat.
It looks smart because white has only one good response, and he played it: 29. Kf1
OK, so, I go back:
29... Rb2
 click for larger viewThe idea is that if he plays 30.Kg1, again the only good move, well... I am where I was, and I think again. But in the meantime, I gave him two chances to go wrong. Alas! He took me up on the offer, and here he played 30.Bc1. Black to play (easy)
 click for larger view |
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Jun-23-23
 | | chancho: Easy, yes.
Ne3+ mate on the next move... |
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Jun-23-23
 | | Fusilli: <chancho> Right. The beauty of it is that white has five responses, leading to five mates. Or, if you want, one mate and four versions of the other one. |
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Jun-24-23
 | | Fusilli: I revised my blurb, and fixed the link to my review of Gary Alan Fine's book, "Players and Pawns: How Chess Builds Community and Culture." The previous link led to the journal's paywall page. The new link (https://www.academia.edu/69647923/P...) leads to my academia.edu page, where I uploaded the review. |
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Jun-24-23
 | | Fusilli: Is anyone planning to play the US Senior Open in Elmhurst, IL, July 21-23? I am. It'd be nice to meet any fellow CG'er. We could scream at each other in person! |
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Jun-24-23
 | | OhioChessFan: Oops, forgot about the position.
1. Rf8 Kh2 2. Ke5 g3 3. Kf4 g2 4. Rh8+ Kg1 seems mandatory. Will look again, promise not to wait. |
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Jun-25-23
 | | Fusilli: 3/2m blitz on chess.com. I am black.
 click for larger viewBlack to play. |
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Jun-25-23
 | | moronovich: 1-c4 (!) threatens d3 next or c3 followed by d3, depending on whites answer. Almost anything wins after 1-c4, as far as I can see. BTW : I wish you a good trip to US Senior Open, while I enjoy Tour de France here in DK ! |
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Jun-25-23
 | | Fusilli: <moronovich: 1-c4 (!) threatens d3 next or c3 followed by d3, depending on whites answer.> Well, yes to 1...c4, and if white takes 2.bxc4, then 2...c5  click for larger viewAnd white is in zugzwang. White regained the opposition with 3.Kg3 Kd4 4.f5 Kxf5 5.Kf3  click for larger viewBut the pawn on d4 means the opposition is useless after 5...Ke5. <BTW : I wish you a good trip to US Senior Open, while I enjoy Tour de France here in DK !> Thanks! Enjoy the Tour de France! |
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Jun-26-23
 | | Fusilli: 3/2m blitz on chess.com. I am black.
This is an interesting "find the best move" puzzle. (Medium-difficult.) Black to play
 click for larger viewThe last two moves were 42...Nf3-h4+ 43.Kg2-g3.
The natural idea is to try to exploit this checkmate theme:  click for larger viewWe would get there with Rg1+ in this position, if the knight on h4 were protected:  click for larger viewAgain, it's about finding the best move, as there is a clear best. I didn't get it. I had only 5 seconds at this point (plus the increment). (I lost the game.) It took me some minutes (3? 4?) to find it after I reviewed the game. BTW, the "review the game" feature on chess.com is great. It evaluates your moves and asks you if you want to try to find a better one. So, you can stop there and think. Good tool for training and learning. |
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